package com.springmvc.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 实现了 HandlerInterceptor 接口的自定义拦截器类
 */
public class CustomInterceptor implements HandlerInterceptor{
    @Override
    public boolean preHandle(HttpServletRequest request,HttpServletResponse response, Object handler)throws Exception {
        System.out.println("CustomInterceptor...preHandle");
        //对拦截的请求进行放行处理
        return true;
    }
    @Override
    public void postHandle(HttpServletRequest request,HttpServletResponse response, Object handler,ModelAndView modelAndView) throws Exception {
        System.out.println("CustomInterceptor...postHandle");
    }
    @Override
    public void afterCompletion(HttpServletRequest request,HttpServletResponse response, Object handler,Exception ex) throws Exception {
        System.out.println("CustomInterceptor...afterCompletion");
    }
}